10200081 has 8 divisors (see below), whose sum is σ = 13889664. Its totient is φ = 6655280.

The previous prime is 10200079. The next prime is 10200089. The reversal of 10200081 is 18000201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10200081 - 2¹ = 10200079 is a prime.

It is a super-2 number, since 2×10200081² = 208083304813122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10200089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36030 + ... + 36311.

It is an arithmetic number, because the mean of its divisors is an integer number (1736208).

Almost surely, 2^10200081 is an apocalyptic number.

It is an amenable number.

10200081 is a deficient number, since it is larger than the sum of its proper divisors (3689583).

10200081 is an equidigital number, since it uses as much as digits as its factorization.

10200081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72391.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 10200081 is about 3193.7565655510. The cubic root of 10200081 is about 216.8708625919.

Adding to 10200081 its reverse (18000201), we get a palindrome (28200282).

The spelling of 10200081 in words is "ten million, two hundred thousand, eighty-one".